PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18400Transformer,audio Frequency

Astec America Inc. · NSN 5950-00-676-7427 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-676-7427 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-676-7427. Primary manufacturer part number: 18400.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 0.421 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Outside Diameter: 1.032 INCHES MAXIMUM IN
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 4 TURRET
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-676-7427, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Astec America Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-676-7427
Primary Part Number18400
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAstec America Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length0.421 INCHES MAXIMUM IN
Mounting Facility Quantity1 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Outside Diameter1.032 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity4 TURRET
Winding Operating Current25.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating4.8 KILOHERTZ MAXIMUM SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-055-359218-400 INTERCHANGEABLE
Coil,radio Frequency
Albert Frei & Sons, Inc. Dba Afs
1430-00-938-441318400 INTERCHANGEABLE
Housing Assembly
Gyrus Acmi L.p. Dba Circon-Acmi Div
4820-01-075-735118403 INTERCHANGEABLE
Seat,valve
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5325-01-278-9545184-00 INTERCHANGEABLE
Ring,retaining
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5996-01-295-167218400 INTERCHANGEABLE
Amplifier,radio Frequency
Applied Systems Engineering Inc
5120-01-529-0655ACT407 INTERCHANGEABLE
Straightener,fin
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
2047423 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
BUWEPSDWG2047423 Henkel Loctite Corp (USA)
18400 PRIMARY Astec America Inc. (USA)
Related Parts
5950-00-055-3592INTERCHANGEABLE
COIL,RADIO FREQUENCY
18-400
1430-00-938-4413INTERCHANGEABLE
HOUSING ASSEMBLY
18400
4820-01-075-7351INTERCHANGEABLE
SEAT,VALVE
18403
5325-01-278-9545INTERCHANGEABLE
RING,RETAINING
184-00
5996-01-295-1672INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
18400
5120-01-529-0655INTERCHANGEABLE
STRAIGHTENER,FIN
ACT407

Frequently Asked Questions

What is NSN 5950-00-676-7427?

NSN 5950-00-676-7427 is a Transformer,audio Frequency, manufactured by Astec America Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-676-7427?

NSN 5950-00-676-7427 has 3 cross-referenced part numbers: 2047423 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSDWG2047423 (Henkel Loctite Corp), 18400 (Astec America Inc.).

What NSN replaces 5950-00-676-7427?

There are 6 known substitutes for 5950-00-676-7427: 5950-00-055-3592, 1430-00-938-4413, 4820-01-075-7351 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18400?

Key specifications for 18400: Reliability Indicator: NOT ESTABLISHED; Body Length: 0.421 INCHES MAXIMUM IN; Mounting Facility Quantity: 1 SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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